Angle Straight Edge
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This product has been discontinued and removed from our shelves.
The angle straight edge is manufactured in compliance with JB/T7977-99 manufacturing standard. It adopts HT200-300 as the raw materials, and its working surface has been processed with scraping technology. The chief use of precision straight edge is to measure the straightness and flatness of the working piece. Besides that, this metal angle ruler is also suitable for the inspection and maintenance of the machine tool guide way.
Product Form of Measurement Tools: Convex or concave type
Angle: 45°, 55°, 60°, 90°, and 120°
| Size(mm) | Straightness or Flatness Between the Working Surface | Angle Accuracy Between Two Working Surfaces | ||
| Precision(μm) | ||||
| 1 | 2 | 1 | 2 | |
| Convex 45°, 55°,60°, 90°, 120°× 500 | 6 | 12 | ± 1 | ± 1.5 |
| Concave 45°, 55°, 60°, 90°, 120° × 500 | 6 | 12 | ± 1 | ± 1.5 |
| Convex 45°, 55°, 60°, 90°, 120°× 750 | 8 | 15 | ± 1 | ± 1.5 |
| Concave 45°, 55°, 60°, 90°, 120°× 750 | 8 | 15 | ± 1 | ± 1.5 |
| Convex 45°, 55°, 60°, 90°, 120°× 1000 | 9 | 18 | ± 1 | ± 1.5 |
| Concave 45°, 55°, 60°, 90°, 120° ×1000 | 9 | 18 | ± 1 | ± 1.5 |
| Convex 45°, 55°, 60°, 90°, 120°× 1500 | 15 | 30 | ± 1 | ± 1.5 |
| Concave 45°, 55°, 60°, 90°, 120°× 1500 | 15 | 30 | ± 1 | ± 1.5 |
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